Kathy sent me a message: "I was visiting Steam Sky City yesterday when I encountered a visitor, recently arrived from the Other Place. He asked why the city was scheduled to be destroyed. As you can imagine, that was news to me! I asked him, 'To what do you refer, sir?' He pointed me to a bomb, strapped to a pillar in the aft section."
"Indeed it was! I inspected the bomb...set to go off in 24 days and some hours and minutes. What can this mean?"
We'll find out in 24...no, now 23...days. But it struck me that seeing unusual things in the Sky City was par for the course: